| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 6 |
9.8%
|
|
| 3 | 4 |
6.6%
|
|
| 4 | 5 |
8.2%
|
|
| 5 | 14 |
23%
|
|
| 6 | 8 |
13.1%
|
|
| 7 | 9 |
14.8%
|
|
| 8 | 9 |
14.8%
|
|
| 9 | 4 |
6.6%
|
|
| 10 | Very effective | 2 |
3.3%
|
| -99 | 4 | ||
| 11 | Don't know | 70 | |
| Sysmiss | 24 |